| Business | Phone |
| County Assessor Office 300 N Holden St # 204, Warrensburg 64093 | (660) 747-5022 |
| Johnson County Assessor 1 Courthouse Sq # 204, Warrensburg 64093 | (660) 747-9822 |
| Johnson County Auditor 300 N Holden St, Warrensburg 64093 | (660) 747-2633 |
| Johnson County Treasurer 103 S Holden St, Warrensburg 64093 | (660) 747-7411 |